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  1. import java.awt.FlowLayout;
  2.  
  3. import javax.swing.*;
  4.  
  5. public class calc_97_lvl {
  6.  
  7. public static JLabel jlab;
  8.  
  9. 	calc_97_lvl() {
  10.  
  11. 	ListenCalc LC=new ListenCalc();
  12.  
  13. 	JFrame jfrm=new JFrame("Калькулятор Кузнецова");
  14.     jfrm.setSize(185,157);
  15.     jfrm.setLayout(new FlowLayout());
  16.     jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  17.     jfrm.setVisible(true);
  18.     JLabel jlab=new JLabel();
  19.     jlab.setText("egeherjrj!");
  20.     jlab.setSize(150, 150);
  21.  
  22.     JButton but1=new JButton("+");
  23.     JButton but2=new JButton("-");
  24.     JButton but3=new JButton("*");
  25.     JButton but4=new JButton("/");
  26.     JButton but5=new JButton(".");
  27.     JButton but6=new JButton("e");
  28.     JButton but7=new JButton("=");
  29.  
  30.     JButton b1=new JButton("1");
  31.     JButton b2=new JButton("2");
  32.     JButton b3=new JButton("3");
  33.     JButton b4=new JButton("4");
  34.     JButton b5=new JButton("5");
  35.     JButton b6=new JButton("6");
  36.     JButton b7=new JButton("7");
  37.     JButton b8=new JButton("8");
  38.     JButton b9=new JButton("9");
  39.     JButton b0=new JButton("0");
  40.  
  41.     but1.addActionListener(LC);
  42.     but2.addActionListener(LC);
  43.     but3.addActionListener(LC);
  44.     but4.addActionListener(LC);
  45.     but5.addActionListener(LC);
  46.     but6.addActionListener(LC);
  47.     but7.addActionListener(LC);
  48.  
  49.     b1.addActionListener(LC);
  50.     b2.addActionListener(LC);
  51.     b3.addActionListener(LC);
  52.     b4.addActionListener(LC);
  53.     b5.addActionListener(LC);
  54.     b6.addActionListener(LC);
  55.     b7.addActionListener(LC);
  56.     b8.addActionListener(LC);
  57.     b9.addActionListener(LC);
  58.     b0.addActionListener(LC);
  59.  
  60.     jfrm.add(jlab);
  61.     jfrm.add(b1);
  62.     jfrm.add(b2);
  63.     jfrm.add(b3);
  64.     jfrm.add(but1);
  65.     jfrm.add(b4);
  66.     jfrm.add(b5);
  67.     jfrm.add(b6);
  68.     jfrm.add(but2);
  69.     jfrm.add(b7);
  70.     jfrm.add(b8);
  71.     jfrm.add(b9);
  72.     jfrm.add(but3);
  73.     jfrm.add(but5);
  74.     jfrm.add(b0);
  75.     jfrm.add(but6);
  76.     jfrm.add(but7);
  77.  
  78. 	} 
  79. 	public void set_jlab(String newText){jlab.setText(newText);}
  80. 	public static void main(String[] args){
  81.         SwingUtilities.invokeLater(new Runnable(){
  82.         	public void run(){
  83.         		new calc_97_lvl();
  84.         	    }
  85.             });
  86.     }}
  87.  
  88.  
  89.  
  90.  
  91.  
  92.  
  93.  
  94.  
  95.  
  96.  
  97. import java.awt.event.ActionEvent;
  98. import java.awt.event.ActionListener;
  99. import java.util.StringTokenizer;
  100.  
  101.  
  102. public class ListenCalc implements ActionListener  {
  103.  
  104.  
  105. double numberResult;
  106.  
  107. 	public void actionPerformed(ActionEvent ae){
  108. 		resultGiver(ae.getActionCommand());
  109. 	    }
  110.  
  111. 	public double resultGiver(String textResult){
  112. 		StringTokenizer ST=new StringTokenizer(textResult, "+-*/e",true);
  113.  
  114. 		   String s1=ST.nextToken();
  115. 		   String s2=ST.nextToken();
  116. 		   String s3=ST.nextToken();
  117. 		   double op1=Double.parseDouble(s1);
  118. 		   double op2=Double.parseDouble(s3);
  119. 		   if(s2.equals("+")){numberResult=op1+op2;}
  120. 		   else if(s2.equals("-")){numberResult=op1-op2;}
  121. 		   else if(s2.equals("*")){numberResult=op1*op2;}
  122. 		   else if(s2.equals("/")){numberResult=op1/op2;}
  123. 		   else{}
  124. 		return 0;
  125.     }
  126. }
  127.  
  128.  
  129.  
  130.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
Main.java:97: class, interface, or enum expected
import java.awt.event.ActionEvent;
^
Main.java:98: class, interface, or enum expected
import java.awt.event.ActionListener;
^
Main.java:99: class, interface, or enum expected
import java.util.StringTokenizer;
^
3 errors
stdout
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Standard output is empty
https://ideone.com/ujTn9
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
public

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